*{margin: 0; padding: 0;}

a,u,ins{
	text-decoration: none;
}

li{
	list-style: none;
}

img{
	vertical-align: middle;
	/*ie浏览器中用超链接添加的图片都会存在边框*/
	border: none;
}

h1,h2,h3,h4,h5,h6,b,strong{
	font-weight: normal;
}

i,em{
	font-style: normal;
}

.l{
	float: left;
}

.r{
	float: right;
}

.clear:after{
	content: "";
	display: block;
	clear: both;
	height: 0;
	overflow: hidden;
	visibility: hidden;
}

.safe{
	width:1200px;
	margin: 0 auto;
}
